##################################### 2014 11 november   ################### shtils calkulater
scl = 10
C = 0 
D = 5
E = 10
F = 15
pal1 = 50
pal2 = pal1 + (D*2) - D
pal3 = pal1 + (E*2) - E
pal4 = pal1 + (F*2) - F
print pal1,pal2,pal3,pal4
pal2 = pal1 - (F)
pal3 = pal1 - (E)
pal4 = pal1 - (D) 
print pal1,pal2,pal3,pal4
